""""
Case Type   : D库常用语法兼容-常用函数兼容
Case Name   : 在D库下无shark下查询系统视图，合理报错
Create At   : 2025-10-10
Owner       : chen-czywj
Description :
    1.使用兼容A库创建数据库
    2.切换schema测试
    3.执行测试 ，无相关视图
    4.清理环境
Expect      :
    1.成功
    2.成功
    3.无相关视图
    4.清理环境
History     :
"""

import os
import unittest
from testcase.utils.Logger import Logger
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from yat.test import Node
from yat.test import macro

log = Logger()
primary_sh = CommonSH('PrimaryDbUser')

class Function_Commonviews_Case0041(unittest.TestCase):
    def setUp(self):
        log.info(f'--------{os.path.basename(__file__)} start--------')
        self.constant = Constant()
        self.dbname_a = Node('PrimaryDbUser').db_name
        self.dbname = 'test_views_001'

    def test_Function_Commonviews(self):
        text = '-------------step1: 使用兼容D库创建数据库; expect: 成功-------------'
        log.info(text)
        msg = primary_sh.check_connection_status(self.constant.START_STATUS_MSG)
        self.assertTrue(msg)
        create_db = f'''drop database if exists {self.dbname};
            create database if not exists {self.dbname} dbcompatibility = 'D';'''
        res = primary_sh.execut_db_sql(create_db, dbname=self.dbname_a)
        log.info(res)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, res)

        text = '-------------step2: 切换schema测试; expect: 成功-------------'
        log.info(text)
        create_tb = f'''set search_path to sys;'''
        res = primary_sh.execut_db_sql(create_tb, dbname=self.dbname)
        log.info(res)
        self.assertIn(self.constant.SET_SUCCESS_MSG, res)

        text = '-------------step3: 执行测试 ，无相关视图; expect: 返回值正确-------------'
        log.info(text)
        select_sql = f"""\d+"""
        res = primary_sh.execut_db_sql(select_sql, dbname=self.dbname)
        log.info(res)
        self.assertIn('No relations found', res)

    def tearDown(self):
        text = '------------------step4: 清理环境; expect: 成功------------------'
        log.info(text)
        drop_db = f'''
            drop database if exists {self.dbname};'''
        res = primary_sh.execut_db_sql(drop_db, dbname=self.dbname_a)
        log.info(res)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, res)
